СПИСОК патентов США - подгруппа МПК16 H04L9/18



Выделить слова в названиях патентов:


№ п/п Номер патента Название патента

2017

19594920Managing keys used for encrypting data
29584313Streaming one time pad cipher using rotating ports for data encryption
39577822Secure bitstream authentication

2016

49509414Encryption and decryption method and device
59490972Method and apparatus for providing conditional access based on channel characteristics
69467285Security of a multimedia stream
79350533Method and apparatus for delivering encrypted content to web browsers based on entropy of the content
89344278Secure data transfer using random ordering and random block sizing
99313023Format-preserving cipher
109294277Audio encryption systems and methods
119281943Defending against factoring by collision
129270461System and method for efficient support for short cryptoperiods in template mode

2015

139172528Method and apparatus for allowing software access to navigational data in a decrypted media stream while protecting stream payloads
149154295Method of generating a correspondence table for a cryptographic white box
159094733Methods and systems for cryptographic access control of video
169094191Master key encryption functions for transmitter-receiver pairing as a countermeasure to thwart key recovery attacks
179083531Performing client authentication using certificate store on mobile device
189047482Token-based security for links to media streams
199043881Entitled data cache management

2014

208913745Security within integrated circuits
218856551BIOS lock encode/decode driver
228767959Block encryption
238739307Method and apparatus for allowing software access to navigational data in a decrypted media stream while protecting stream payloads
248718278Method and system for encryption of a datastream
258631234Apparatus and method for establishing encryption information common to a plurality of communication paths coupling two apparatuses

2013

268589695Methods and systems for entropy collection for server-side key generation
278577038Method and device for generating pseudorandom number, and method and device for encryption using pseudorandom number
288532297Techniques for transmitting control channel information
298510810Secure credential store

2012

308321925Distributed encryption key management
318300824System and method for encrypting data using a cipher text in a communications environment
328265269Receiving apparatus and method for controlling the same

2011

338055902Method, system, and computer program product for data upload in a computing system
348041031Cryptographic primitives, error coding, and pseudo-random number improvement methods using quasigroups
357979713Methods and arrangments for realising betting with off-line terminals
367970137Content reproduction apparatus, content recording apparatus, network system, and content recording/reproduction method
377912218Method of broadcasting multimedia content via distribution network
387894599Enhanced data security with redundant inclusive data encryption segments
397864950Block encryption device using auxiliary conversion

2010

407822196Block cipher apparatus using auxiliary transformation
417769171Method for transmitting digital data in a local network
427764789Key bit stream generation
437764788Methods and apparatus for performing authentication and decryption
447760876Content security layer providing long-term renewable security
457760871Block cipher using auxiliary transformation
467760870Block cipher apparatus using auxiliary transformation
477751559Secure transmission of cryptographic key
487734044Method and apparatus for synchronous stream cipher encryption with reserved codes
497707427Multi-level file digests
507689822Communication device for providing security in a group communication network
517676040Changing encryption key of encrypted data
527673140Dedicated encrypted virtual channel in a multi-channel serial communications interface
537646870Triple churning
547644445Secure key management for scalable codestreams

2009

557640595Computing system with decryption functions and secure data product
567606364Disk drive with flexible data stream encryption
577602908System and method for using a streaming protocol
587591012Dynamic negotiation of encryption protocols
597590882System, method and storage medium for bus calibration in a memory subsystem
607584502Policy engine and methods and systems for protecting data
617584150Recording method, recording medium, and recording system
627558970Privacy-enhanced searches using encryption
637558967Encryption for a stream file in an FPGA integrated circuit
647526087Random number generator
657522725Method and apparatus for composable block re-encryption of publicly distributed content
667502472Encryption system and method for encrypting/decrypting sensitive data
677502463Methods and apparatus for implementing a cryptography engine

2008

687389420Content authentication and recovery using digital watermarks
697333613Cyphering of the content of a memory external to a processor

2007

707304757System and method for secure printing
717302709Key-based secure storage
727299357Opaque message archives
737298849Method and apparatus for simultaneous encryption and decryption of publicly distributed media
747283628Programmable data encryption engine
757277542Stream cipher encryption application accelerator and methods thereof
767266683Selective encryption of application session packets
777242770Secure encryption/decryption for elevators
787236593Apparatus for encryption and decryption, capable of use in encryption and decryption of advanced encryption standard
797197142System and methods for a vernam stream cipher
807184550Method and apparatus for simultaneous decryption and re-encryption of publicly distributed content via stream ciphers
817178033Method and apparatus for securing digital assets
827174015Methods and apparatus for variable radix scalable modular multiplication
837158637Security communication packet processing apparatus and the method thereof

2006

847142673Method for the cryptographic conversion of L-bit input blocks of digital data into L-bit output blocks
857117357Method, system, and product for pre-encrypting static information transmitted by secure web sites
867106862Digital information hiding techniques for use with data streams carried over a data communication network
876996712Data authentication system employing encrypted integrity blocks

2005

886965995Signal processing circuit
896963860Information recording and reproducing system and method and distribution medium
906961426Cascaded stream cipher
916952477Fault intolerant cipher chaining
926944295Data-processing device and method of operating said device
936944253Circuit and software for generating a stream cipher
946912284Self-Authenticating cryptographic apparatus
956895090Pseudo-noise sequence with insertion having variant length and position
966891952Dynamic key generation and confidential synchronization of encryption components
976888941Method and apparatus for generating encryption stream ciphers
986882727Method of ciphering data transmission in a radio system
996879689Stream-cipher method and apparatus
1006870930Methods and systems for TMDS encryption
1016862354Stream cipher encryption method and apparatus that can efficiently seek to arbitrary locations in a key stream

2004

1026813710Invisible electronic signature
1036813625Method and device for self-clock controlled pseudo random noise (PN) sequence generation
1046810407Optical boolean logic devices for data encryption
1056804354Cryptographic isolator using multiplication
1066802003Method and apparatus for authenticating content
1076801999Passive and active software objects containing bore resistant watermarking
1086792109Bit generator for determining a secret encryption key and corresponding process
1096792108Aperiodic encryption for digital data
1106788787Pseudorandom number generator, stream encryption method, and stream encrypting communication method
1116778670Method and apparatus for encryption and decryption
1126763363Computer efficient linear feedback shift register
1136760440One's complement cryptographic combiner
1146760438System and method for Viterbi decoding on encrypted data
1156738413Code generator, communication unit using the code generator, communication system, and code generation method
1166735264Compensation for non-linear distortion in a modem receiver
1176714614Subscriber unit for generating a stream cipher

2003

1186667665Random number generator
1196643374Duty cycle corrector for a random number generator
1206636549Method for calculating phase shift coefficients of an M sequence
1216628786Distributed state random number generator and method for utilizing same
1226587562Synchronous stream cipher
1236560338Limiting delays associated with the generation of encryption stream ciphers
1246549622System and method for a fast hardware implementation of RC4
1256526145Data encryptor/decryptor using variable in-place I/O
1266519702Method and apparatus for limiting security attacks via data copied into computer memory
1276516065Method for implementing ciphered communication for single-hop terminal-to-terminal calls in a mobile satellite system
1286510228Method and apparatus for generating encryption stream ciphers

2002

1296490357Method and apparatus for generating encryption stream ciphers
1306490354Lightweight word-oriented technique for generating a pseudo-random sequence for use in a keystream of a stream cipher
1316430246Method and apparatus for generating a stream cipher
1326421780System for creating high and low speed non-algorithmic random numbers for encryption/decryption
1336415032Encryption technique using stream cipher and block cipher
1346408077Descrambling device of a security element and security element comprising such a device
1356404888Confusion data generator
1366393125Initializer for a confusion data generator
1376339645Pseudo-random sequence generator and associated method

2001

1386330333Cryptographic system for wireless communications
1396324287Pad encryption method and software
1406317499Storage device random bit generator
1416314187Method for encryption or decryption using finite group operations
1426307940Communication network for encrypting/deciphering communication text while updating encryption key, a communication terminal thereof, and a communication method thereof
1436278780Method of and an apparatus for generating internal crypto-keys
1446252961Method and apparatus for performing data encryption and error code correction
1456252958Method and apparatus for generating encryption stream ciphers
1466201870Pseudorandom noise sequence generator

2000

1476167553Spiral scrambling
1486148053Method and apparatus for generating a stream cipher
1496141668Pseudo-random number generating method and apparatus therefor
1506128387Method and system for using a non-inversible transform and dynamic keys to protect firmware
1516128386Multiple number base encoder/decoder using a corresponding exclusive or function
1526122379Method and apparatus for performing simultaneous data compression and encryption
1536122376State synchronized cipher text scrambler
1546118869System and method for PLD bitstream encryption
1556112187Encryption communication system for generating passwords on the basis of start information on both parties of communication
1566104811Cryptographically secure pseudo-random bit generator for fast and secure encryption
1576104810Pseudorandom number generator with backup and restoration capability
1586097815Method of and an apparatus for generating pseudo-random numbers
1596088456Data encryption technique
1606084966Communicating encrypted signals in which random bits and random bit position data are inserted
1616070178Generating random numbers from random signals without being affected by any interfering signals
1626061703Pseudorandom number generator with normal and test modes of operation
1636058479Redundant path data switch and media translator
1646052786Secrecy communication system
1656052466Encryption of data packets using a sequence of private keys generated from a public key exchange
1666049608Variable length nonlinear feedback shift registers with dynamically allocated taps
1676047069Method and apparatus for preserving error correction capabilities during data encryption/decryption
1686047068Method for determining an encryption key associated with an integrated circuit
1696044388Pseudorandom number generator
1706014446Apparatus for providing improved encryption protection in a communication system
1716014445Enciphering/deciphering apparatus and method incorporating random variable and keystream generation
1726011849Encryption-based selection system for steganography

1999

1736009135Method and apparatus for generating a stream cipher
1745995629Encoding device
1755987139Method for encryption of information
1765987137Method for the encryption of data transfer
1775983252Pseudo-random number generator capable of efficiently exploiting processors having instruction-level parallelism and the use thereof for encryption
1785978483Securely encrypted remote keyless entry system
1795966450Variable mask for encryption generated independently at communications stations
1805946398State synchronized cipher text scrambler
1815943248w-bit non-linear combiner for pseudo-random number generation
1825912973Method for scrambling and/or descrambling FM subcarrier data
1835910907Shift register based pseudorandom number generator
1845881153Remote keyless entry encryption algorithm
1855878075Method of and apparatus for generating a pseudorandom noise sequence
1865864491Apparatus and associated method for generating a pseudo random number
1875862217Method and apparatus for in-camera encryption
1885859912Digital information privacy system

1998

1895844925Spiral scrambling
1905841872Encryption enhancement system
1915835597Software-efficient pseudorandom function and the use thereof for decryption
1925828752Pseudo-random number generator and communication system employing the same
1935825889Use of duplex cipher algorithms for satellite channels with delay
1945825888Descrambling device
1955809148Decryption of retransmitted data in an encrypted communication system
1965809147Device for cryptographically processing data packets and method of generating cryptographic processing data
1975799090pad encryption method and software
1985799088Non-deterministic public key encrypton system
1995784427Feedback and shift unit
2005781458Method and apparatus for generating truly random numbers
2015778069Non-biased pseudo random number generator
2025751808Multi-purpose high speed cryptographically secure sequence generator based on zeta-one-way functions
2035737422Distributed data processing network
2045732138Method for seeding a pseudo-random number generator with a cryptographic hash of a digitization of a chaotic system
2055727064Cryptographic system for wireless communications
2065727063Pseudo-random generator
2075719913Pseudo-random number generating circuit and bidirectional shift register
2085717760Message protection system and method

1997

2095703952Method and apparatus for generating a cipher stream
2105696826Method and apparatus for encrypting and decrypting information using a digital chaos signal
2115694473Decryption of retransmitted data in an encrypted communication system
2125677952Method to protect information on a computer storage device
2135675652Computer readable device implementing a software-efficient pseudorandom function encryption
2145649014Pseudorandom composition-based cryptographic authentication process
2155638512Ring network security system with encoding of data entering a subnetwork and decoding of data leaving the subnet work
2165627894Random number generator
2175621799Scrambled transmission system
2185619576Variable-key cryptography system
2195619575Pseudorandom composition-based cryptographic authentication process
2205613005Cipher communication method and device
2215608802Data ciphering device
2225600720Encryption apparatus, communication system using the same and method therefor
2235596516Code sequence generator
2245594795Method and apparatus for key transforms to discriminate between different networks

1996

2255577124Multi-purpose high speed cryptographically secure sequence generator based on zeta-one-way functions
2265566099Pseudorandom number generator
2275541996Apparatus and method for a pseudo-random number generator for high precision numbers
2285515307Pseudo-random generator
2295500899Secure voice conferencing apparatus
2305495580Ring network security system with encoding of data entering a subnetwork and decoding of data leaving a subnetwork
2315488663Encoding methods for generating a digital signal containing modulated bit allocation information, and record carriers containing that signal
2325483598Message encryption using a hash function

1995

2335473696Method and apparatus for combined encryption and scrambling of information on a shared medium network
2345454039Software-efficient pseudorandom function and the use thereof for encryption
2355444781Method and apparatus for decryption using cache storage
2365440640Multistream encryption system for secure communication
2375438622Method and apparatus for improving the security of an electronic codebook encryption scheme utilizing an offset in the pseudorandom sequence
2385432853Digital signal processing system
2395425103Variable-key cryptography system
2405420928Pseudo-random generator
2415414771System and method for the creation of random sequences and for the cryptographic protection of communications
2425398284Cryptographic encoding process

1994

2435375171Transmission system, and transmitter and receiver used in the transmission system for transmitting and receiving digital signals containing modulated bit allocation information
2445365588High speed encryption system and method
2455365585Method and apparatus for encryption having a feedback register with selectable taps
2465355415Parallel distributed sample scrambling system
2475351301Authenticator circuit
2485345508Method and apparatus for variable-overhead cached encryption
2495345507Secure message authentication for binary additive stream cipher systems
2505319712Method and apparatus for providing cryptographic protection of a data stream in a communication system
2515307412Random coding cipher system and method
2525297207Machine generation of cryptographic keys by non-linear processes similar to processes normally associated with encryption of data

1993

2535272754Secure computer interface
2545257282High speed code sequence generator
2555245661Distributed sample scrambling system
2565245659Constant ratio coding for multipath rejection and ECCM enhancement
2575241597Method for recovering from encryption key variable loss
2585241595Communication control section for facsimile equipment having a secure communication function
2595239581Secret communication apparatus
2605239494Random bit stream generator and method
2615237615Multiple independent binary bit stream generator
2625228054Power-of-two length pseudo-noise sequence generator with fast offset adjustment
2635226082Variable length decoder
2645222142Sequence generator
2655222141Apparatus and method for encoding data
2665218559Pseudo-random generator
2675204903Secure communication equipment and secure transmission system
2685195136Method and apparatus for data encryption or decryption
2695191614Secure communication system

1992

2705148485Encrypton system for digital cellular communications
2715091941Secure voice data transmission system
2725086468Text modifier
2735079733Pseudo-random sequence generator arrangement

1991

2745077793Residue number encryption and decryption system
2755067156Method for generating a random number for the encoded transmission of data upon employment of a variable starting value
2765060265Method of protecting a linear feedback shift register (LFSR) output signal
2775029210Cooperative communication system
2785016275Buffered encryption/decryption
2795014313Text modifier
2805008938Encryption apparatus
2815007087Method and apparatus for generating secure random numbers using chaos
2825003598Secure communication system
2835001754Encryption system and method
2844993070Ciphertext to plaintext communications system and method
2854989244Data encripting transfer

1990

2864972481Ciphering and deciphering device
2874972474Integer encryptor
2884961221Communication method and system with encryption of information
2894951247Data exchange system comprising a plurality of user terminals each containing a chip card reading device
2904944009Pseudo-random sequence generator
2914928310Pseudorandom pulse code generators using electro-optical XOR gates
2924926478Method and apparatus for continuously acknowledged link encrypting
2934901264Pseudo random pattern generating device
2944897876Method of and an arrangement for digital signal encryption

1989

2954890252Long period pseudo random number sequence generator
2964878246Method and apparatus for generating encryption/decryption key
2974870682Television scrambling system
2984864525Maximum length shift register sequence generator
2994860353Dynamic feedback arrangement scrambling technique keystream generator
3004845726Maximum length linearly recurring sequence generator control device
3014845654Pseudo random noise code generator
3024817145Generator for generating binary ciphering sequences
3034815130Stream cipher system with feedback
3044811394Variable starting state scrambling circuit
3054809295Code lengthening system
3064805216Method and apparatus for continuously acknowledged link encrypting
3074799259Monolithic random digital noise generator
3084797922Method of, and apparatus for, transforming a digital data sequence into an encoded form

1988

3094791669Encryption/decryption system
3104785410Maximum length shift register sequences generator
3114780840Method of generating a pseudo-random sequence of signs of a large sequence length
3124771462Communication port encryption/decryption method and apparatus
3134724541Data-dependent binary encoder/decoder

1987

3144710921Digital signal transmitting system
3154689606Data encoding/decoding circuit
3164685132Bent sequence code generator
3174663500Cryptographic system
3184661980Intercept resistant data transmission system
3194638120Method and system for transmission of confidential data

1986

3204633037Generation of identification keys
3214596898Method and apparatus for protecting stored and transmitted data from compromise or interception
3224577059Decoding process and apparatus

1985

3234549308Secure mobile radio telephony
3244543559Generator of encoding or decoding 8-bit bytes which can be used in a video system
3254503287Two-tiered communication security employing asymmetric session keys
3264498000Security method and device for communicating confidential data via an intermediate stage

1984

3274488001Intellectual properties protection device
3284484025System for enciphering and deciphering data
3294465153Method of coding and decoding messages
3304447672Device for encrypting each input data bit by at least one keying bit decided by a code pattern and a bit pattern of a predetermined number of preceding encrypted bits
3314431865Digital signal enciphering and deciphering apparatus and system
3324429180Apparatus for simultaneous generation of key at two locations

1983

3334417338Cryptographic key sharing circuit and method using code correction
3344386234Cryptographic communication and file security using terminals
3354370519Autokey generator for secret communication system
3364369333Method and apparatus for enciphering and deciphering of information
3374369332Key variable generator for an encryption/decryption device

1982

3384350844Encipering- and deciphering apparatus in the form of a typewriter
3394343967Autokey code generator
3404341925Random digital encryption secure communication system
3414332977Teletypewriter privacy system
3424316055Stream/block cipher crytographic system
3434313031Encipher-decipher device having semi-automatic generation of the code key during data entry

1981

3444302810Method and apparatus for secure message transmission for use in electronic funds transfer systems
3454283599Method and apparatus for securing data transmissions
3464281216Key management for encryption/decryption systems
3474281215Method and apparatus for securing data transmissions
3484268715Method and apparatus for securing data transmissions
3494264781Apparatus for encoding and decoding data signals

1980

3504238854Cryptographic file security for single domain networks
3514238853Cryptographic communication security for single domain networks
3524232186Method of and means for generating complex electrical coding waves for secret communications
3534227253Cryptographic communication security for multiple domain networks
3544225962Mosaic printer
3554225935Coding method and system with enhanced security
3564215421Data-processing system which protects the secrecy of confidential data
3574203166Cryptographic file security for multiple domain networks
3584202051Digital data enciphering and deciphering circuit and method
3594195196Variant key matrix cipher system
3604193131Cryptographic verification of operational keys used in communication networks
3614192967Teletype mixer apparatus for coding and decoding
3624187392Synchronous universal binary scrambler
3634185166Multi-mode digital enciphering system
3644181816Devices for combining random sequences, using one or more switching operations

1979

3654179663Devices for generating pseudo-random sequences
3664178474Signaling system
3674176399Analog noise generator
3684176246Apparatus for the transmission end-enciphering and reception end-deciphering of information
3694172213Byte stream selective encryption/decryption device
3704170714Digital cryptographic system and testing thereof
3714169212Multi-mode digital enciphering system
3724168395Start/stop teleprinter scrambler
3734166922Multi-mode digital enciphering system with repeated priming sequences
3744165444Apparatus for electronic encypherment of digital data
3754163870Circuit for producing a pulse succession
3764162762Data processing machine, especially ciphering equipment
3774160120Link encryption device
3784156108Pulse producing system for secrecy transmissions
3794145569Method and apparatus for synchronizing the ciphering and deciphering of binary-coded messages
3804145568Method and apparatus for ciphering and deciphering messages
3814140873Multi-mode digital enciphering system
3824133974System for locally enciphering prime data
3834133973Digital cryptographic system having synchronous and asynchronous capabilities

1978

3844115657Random digital code generator
3854107458Cipher computer and cryptographic system
3864079188Multi-mode digital enciphering system
3874068089Data indicator unit

1977

3884058673Arrangement for ciphering and deciphering of information
3894047008Pseudo-random number sequence generator
3904032763Production of pseudo-random binary signal sequences
3914004089Programmable cryptic device for enciphering and deciphering data

1976

3923984668Method for generating pseudo-random bit sequence words and a device for carrying out the method
3933983326Key pulse generator for secrecy signalling circuit
3943968454Signaling circuit
3953965297Secret communication signal generating system
3963949296Code and generating means for avionics communciations synthesizer
3973934078Key generating system
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017